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Finding the Fourth Proportional to 111,688.84, 167,468.46 and 45,074.44

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Solution

The fourth proportional to 111,688.84, 167,468.46 and 45,074.44 is: 67,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,688.84 : 167,468.46 = 45,074.44 : x
  2. Step 2: Convert to fraction form
    111,688.84/167,468.46 = 45,074.44/x
  3. Step 3: Cross multiply
    111,688.84x = 167,468.46 × 45,074.44
  4. Step 4: Simplify right side
    111,688.84x = 7,548,547,052.16
  5. Step 5: Solve for x
    x = 7,548,547,052.16/111,688.84
  6. Step 6: Final answer
    x = 67,585.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.